A driver says his brakes failed before he hit a barrier and rolled into the westbound lanes of Interstate 70 in Westmoreland County, where a second tanker carrying milk also crashed trying to avoid him.

ON I-70 FOR DRIVERS FORCED TO FIND A DETOUR. Reporter: HERE ALONG ROUTE 70 IN WESTMORELAND COUNTY AT EXIT 51 THE ROUTE 31 EXIT NEAR WEST NEWTON AND MOUNT PLEASANT AND SEE TRAFFIC IS BACKED UP IN THE WESTBOUND LANES PAST THE ENTRANCE FOR 31. THIS IS BACKED UP FOR MILES. THE ACTUAL WRECK WE'RE TOLD IS NEAR THE BELLE VERNON ACCIDENT WHICH IS 46 B. CREWS HAVE BEEN HERE WORKING TO CLEAR THIS SCENE AFTER AN OVERTURNED TRACTOR TRAILER TRUCK. CREWS HAVE BEEN HERE FOR HOURS TRYING TO CLEAR THIS. OFFICIALS WITH WESTMORELAND 911 TELL US PENNDOT IS SAYING IT COULD BE UNTIL 1:00 BEFORE THIS IS CLEARED UP. WE'LL HAVE UPDATES FOR YOU

Hillary Clinton did not have a State Department email account while she served as America's top diplomat, a senior state department official said Monday, and instead used a personal email account during her four years on the job.